Gas flow meters

The perfect match

Your Benefits

  • Low measurement uncertainty in every application
  • Excellent measurement data reliability and availability
  • The right ultrasonic gas flow measuring device for every application – without compromise
  • Simple device integration – even in compact systems
  • Quick and easy commissioning and checks

The exact device specifications and performance data of the product may deviate from the information provided here, and depend on the application in which the product is being used and the relevant customer specifications.


The perfect match

As the follow-up to the successful FLOWSIC600, the FLOWSIC600-XT ultrasonic gas flow measuring device is setting new standards in its market segment.

The FLOWSIC600-XT is available in variants with 4, 4+1, 4+4, and 8 measurement paths to meet the requirements of every application, whether it is being used as a stand-alone or system solution. In addition to the OIML R 137 Class 1.0 requirements, the FLOWSIC600-XT meets the requirements of Class 0.5 and AGA9 in their entirety.

The FLOWSIC600-XT contains i-diagnostics™ – an intelligent application diagnostics function – and PowerIn Technology™, which enables continuous measurement operation for up to three weeks in the event of a mains voltage failure. These functions help ensure usability and unparalleled operational safety – and what''s more, the equipment offers the very best possible measurement accuracy and long-term stability.

At a glance
  • User-friendly product family
  • Automatic correction of pressure and temperature effects
  • Available for all operating conditions
  • PowerIn Technology™ for reliable backup operation
  • Intelligent application diagnostics with i-diagnostics™
  • Extendable with flow computers per connect-and-go


Technical overview

  • Technical data overview

    Technical data overview

    Measured valuesVolumetric flow, a. c., volume a. c., gas velocity, sound velocity, optional volume correction via integrated, electronic volume corrector (EVC)
    Number of measuring paths4, 4+1 (2plex), 4+4 (Quatro), 8 (Forte)
    Hazardous area




    Class I Division 1

    Class I Division 2

    Measuring rangesMeasuring ranges depend on nominal pipe size
    Gas temperature

    –40 °C ... +180 °C

    On request: –194 °C ... +280 °C

    Operating pressure

    0 bar (g) ... 160 bar (g)

    On request: 0 bar (g) ... 450 bar (g)

    Nominal pipe size3 ″ ... 48 ″
    (DN 80 ... DN 1400), other nominal pipe sizes on request

    OIML R 137-1&2:2012

    OIML D 11:2013

    ISO 17089-1

    AGA-Report No. 9

    MID: 2014/32/EU

    PED: 2014/68/EU

    ATEX: 2014/34/EU

    EMC: 2014/30/EU

    GOST 8.611-2013

    GOST 8.733-2011

    Enclosure ratingIP66 / IP67
    Type of fieldbus integrationTCP
    RTU RS-485 (3x)
    ASCII RS-485 (3x)
    Optical interface
    Type of fieldbus integrationRS-485
All technical data can be found accompanying the individual product